kenya response 3

kenya response 3 - Note I never received responses to...

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Note: I never received responses to e-mails I sent to two separate Kenyan students. Currently, the most scientifically supported hypothesis regarding the origin of HIV is that both HIV-1 and HIV-2 were first transferred between humans and chimpanzees in equatorial West Africa in the late 1940s as a result of the hunting and butchering of chimpanzees. Four studies were primarily instrumental in providing the scientific basis for this hypothesis, beginning with the work of Matt Essex of Harvard’s School of Public Health in the mid-1980s. Essex was the first to prove that the HIV virus originated in primates by isolating a strain of simian immunodeficiency virus (SIV) in green monkeys that exhibited enough biochemical similarities to HIV to justify the correlation. A study in the early 1990s by Vanessa Hirsh at the National Institute of Allergy and Infectious Diseases further demonstrated the human-to-primate immunodeficiency virus link by finding that the organization of genes in the genome of SIVsm, an SIV strain from the Sooty Mangabey, was nearly identical to that in HIV-2, a less virulent human strain. Both viruses also had a unique novel gene not found in other viruses, and genetic
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This essay was uploaded on 04/07/2008 for the course BIO 46 taught by Professor Broverman during the Fall '07 term at Duke.

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kenya response 3 - Note I never received responses to...

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